相关实验视频
Updated: Jul 18, 2025

08:05
Design and Analysis for Fall Detection System Simplification
Published on: April 6, 2020
10.7K
基于深度学习和多模式决策融合的智能合约漏洞检测.
Weichu Deng1, Huanchun Wei2, Teng Huang1
1Institute of Artificial Intelligence and Blockchain, Guangzhou University, Guangzhou 510006, China.
Sensors (Basel, Switzerland)
|August 26, 2023
概括
本研究引入了一种新的深度学习方法,用于智能合约漏洞检测,整合代码语义和控制流来提高准确性. 该方法显著改善了区块链应用程序中关键漏洞的识别.
科学领域:
- 计算机科学 计算机科学
- 区块链技术 区块链技术
- 网络安全 网络安全
背景情况:
- 区块链上的智能合约是不可变的,这使得在部署后难以修复漏洞.
- 现有的基于规则和机器学习的智能合约漏洞检测方法在效率,可扩展性和功能利用方面存在局限性.
研究的目的:
- 提出一种新的智能合约漏洞检测方法,利用深度学习和多式联络决策融合.
- 通过考虑代码语义和控制结构信息来解决现有方法的局限性.
主要方法:
- 一个深度学习模型提取了代表智能合约的五个关键特征.
- 多模式决策融合集成源代码,操作代码和控制流程图信息.
- 该方法根据四种类型的漏洞进行了评估:算术,重返入口,交易顺序依赖性和以太锁.
主要成果:
- 拟议的方法实现了特定漏洞的高检测准确度:91.6% (算术),90.9% (再入口),94.8% (交易顺序依赖) 和89.5% (以太坊).
- 曲线下的面积 (AUC) 值在0.825到0.886之间,表明表现强.
- 废弃实验证实了多式联络决策融合技术的重要贡献.
结论:
- 深度学习和多式联结方法为智能合约漏洞检测提供了强大而有效的解决方案.
- 这种方法提高了智能合约信息的利用率,从而提高了检测率和可靠性.
- 这些发现表明,基于区块链的应用程序的安全保护在脆弱性造成的经济损失方面是一个有希望的方向.
相关概念视频
Decision Making
140
Decision-making is a fundamental cognitive process that involves evaluating alternatives and selecting among them. This process can range from simple choices, such as deciding what to wear, to complex decisions, like choosing a major in college or a career path. The complexity of the decision often dictates the approach we use, which can be broadly categorized into two types: automatic and controlled decision-making.
Automatic decision-making is fast, intuitive, and relies on gut feelings...
Automatic decision-making is fast, intuitive, and relies on gut feelings...
140
Multi-input and Multi-variable systems
128
Cruise control systems in cars are designed as multi-input systems to maintain a driver's desired speed while compensating for external disturbances such as changes in terrain. The block diagram for a cruise control system typically includes two main inputs: the desired speed set by the driver and any external disturbances, such as the incline of the road. By adjusting the engine throttle, the system maintains the vehicle's speed as close to the desired value as possible.
In the absence...
In the absence...
128
Decision Making: Traditional Method
4.0K
The process of hypothesis testing based on the traditional method includes calculating the critical value, testing the value of the test statistic using the sample data, and interpreting these values.
First, a specific claim about the population parameter is decided based on the research question and is stated in a simple form. Further, an opposing statement to this claim is also stated. These statements can act as null and alternative hypotheses, out of which a null hypothesis would be a...
First, a specific claim about the population parameter is decided based on the research question and is stated in a simple form. Further, an opposing statement to this claim is also stated. These statements can act as null and alternative hypotheses, out of which a null hypothesis would be a...
4.0K
Force Classification
1.3K
Forces play a crucial role in the study of physics and engineering. They are essential in describing the motion, behavior, and equilibrium of objects in the physical world. Forces can be classified based on their origin, type, and direction of action.
Contact and non-contact forces are two of the most widely used categories of forces. As the name suggests, contact forces require physical contact between two objects to act upon each other. Examples of contact forces include frictional,...
Contact and non-contact forces are two of the most widely used categories of forces. As the name suggests, contact forces require physical contact between two objects to act upon each other. Examples of contact forces include frictional,...
1.3K
Functional Classification of Joints
4.2K
Functional Classification of Joints
The functional classification of joints is determined by the amount of mobility between the adjacent bones. Joints are functionally classified as a synarthrosis or immobile joint, an amphiarthrosis or slightly moveable joint, or as a diarthrosis, a freely moveable joint. Fibrous and cartilaginous joints can be functionally classified as either synarthroses or amphiarthroses, whereas all synovial joints are classified as diarthroses.
Synarthrosis
An...
The functional classification of joints is determined by the amount of mobility between the adjacent bones. Joints are functionally classified as a synarthrosis or immobile joint, an amphiarthrosis or slightly moveable joint, or as a diarthrosis, a freely moveable joint. Fibrous and cartilaginous joints can be functionally classified as either synarthroses or amphiarthroses, whereas all synovial joints are classified as diarthroses.
Synarthrosis
An...
4.2K
Masking and Demasking Agents
2.5K
EDTA titrations may necessitate masking and demasking agents to temporarily protect a particular metal ion in a mixture from the EDTA reaction. These agents facilitate the sequential analysis of the metal ions by forming stable complexes with some—but not all—metal ions during certain steps.
There are many masking agents, such as cyanide, fluoride, triethanolamine, thiourea, and 2,3-bis(sulfanyl)propan-1-ol (formerly 2,3-dimercapto-1-propanol), with the masking agent chosen based on...
There are many masking agents, such as cyanide, fluoride, triethanolamine, thiourea, and 2,3-bis(sulfanyl)propan-1-ol (formerly 2,3-dimercapto-1-propanol), with the masking agent chosen based on...
2.5K

